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[Bug tapsets/10421] task.stp pid2task tapset function fails on 2.6.31-0.67.rc2
- From: "dsmith at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sources dot redhat dot com
- Date: 20 Jul 2009 20:33:31 -0000
- Subject: [Bug tapsets/10421] task.stp pid2task tapset function fails on 2.6.31-0.67.rc2
- References: <20090720202932.10421.dsmith@redhat.com>
- Reply-to: sourceware-bugzilla at sourceware dot org
------- Additional Comments From dsmith at redhat dot com 2009-07-20 20:33 -------
Here's a reproducer (and output). Note that pid2execname() calls pid2task():
# stap -v --vp 0001 -e 'probe begin {printf("%s\n", pid2execname(0)); exit()}'
Pass 1: parsed user script and 55 library script(s) in 120usr/70sys/184real ms.
Pass 2: analyzed script: 1 probe(s), 6 function(s), 1 embed(s), 0 global(s) in
60usr/2400sys/3828real ms.
Pass 3: translated to C into "/tmp/stapNRfcrq/stap_27264.c" in 0usr/0sys/2real ms.
Running make -C "/lib/modules/2.6.31-0.67.rc2.git9.fc12.x86_64/build"
M="/tmp/stapNRfcrq" modules >/dev/null
WARNING: "find_task_by_vpid" [/tmp/stapNRfcrq/stap_27264.ko] undefined!
Pass 4: compiled C into "stap_27264.ko" in 5240usr/3730sys/9267real ms.
Pass 5: starting run.
Error inserting module '/tmp/stapNRfcrq/stap_27264.ko': Unknown symbol in module
Retrying, after attempted removal of module stap_27264 (rc -1)
Error inserting module '/tmp/stapNRfcrq/stap_27264.ko': Unknown symbol in module
Pass 5: run completed in 0usr/30sys/38real ms.
Pass 5: run failed. Try again with another '--vp 00001' option.
--
http://sourceware.org/bugzilla/show_bug.cgi?id=10421
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